The Main Construction Of Asia's First Cross-border Power Transmission New Energy Project Has Been Completed And Key Equipment Has Been Applied.

    The main project of the 600MW wind power project in Mengsong, Laos has been completed, including 133 4.5MW wind turbines, booster stations and cross-border 500 kV transmission lines. In the booster station and transmission system, outdoor disconnectors are used to safely isolate the circuit during maintenance, drop-out fuses are deployed at the branch nodes of the collector line as overcurrent protection devices, and lightning arresters are densely installed on wind turbine towers, booster stations and transmission towers to prevent tropical thunderstorms from impacting equipment.
    The project is located in the mountainous rainy season (May-October), and equipment transportation needs to overcome muddy and rugged terrain. The team adopts the "one machine, one solution" strategy: the disconnector and fuse are pre-installed through BIM technology, and the moisture-proof sealing design is customized to avoid insulation failure in the rainy season. The lightning arrester optimizes the distance between the grounding grid and the equipment, and uses drone inspections to reduce the risk of manual tower climbing.
    Strategic impact on the five Central Asian countries: The project verifies the feasibility of mountain wind power and cross-border power grids, and provides a template for Central Asia (such as the Kazakhstan-China power transmission project). Alleviate seasonal power shortages. Tajikistan is short of hydropower in winter. Similar projects can balance the energy structure (refer to the Dushanbe thermal power plant case). Promote the demand for power grid upgrades. The aging problem of the Central Asian power grid is prominent (for example, 60% of the equipment in Uzbekistan is overdue for service). The efficient equipment of the Mengsong project (such as smart fuses and fast disconnectors) stimulates the procurement demand of Central Asian countries. Regional energy cooperation opportunities. The project strengthens the concept of "battery" (such as Laos to Vietnam), inspiring Central Asia to build similar hubs: Kazakhstan's wind power can be transmitted to China via UHV; Turkmenistan's natural gas power can supplement the winter gap in Jilin and Tajikistan.
    Yueyang Electric Power Technology Co., Ltd. Power protection solutions designed for extreme environments: high-voltage disconnectors-full-condition series, suitable for high-altitude and desert temperature difference environments in Central Asia. Explosion-proof drop-out fuse - breaking capacity up to 16kA, equipped with arc self-extinguishing technology, reducing the maintenance cost of frequent faults in mountain wind power. Composite jacket arrester - steep wave response ≤1μs, reducing lightning trip rate by 40%. Application scenarios: new energy power stations, cross-border transmission nodes, and old power grid transformation.
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